# Troubleshooting

- [Marketo Duplicate Object Naming](/curated-newsletters/troubleshooting/marketo-duplicate-object-naming.md)
- [Marketo Emoji Support](/curated-newsletters/troubleshooting/marketo-emoji-support.md)
- [MailChimp From Address](/curated-newsletters/troubleshooting/mailchimp-from-address.md)
- [Pardot emails are missing a required Unsubscribe or Preference Center tag](/curated-newsletters/troubleshooting/pardot-emails-are-missing-a-required-unsubscribe-or-preference-center-tag.md)